CA2457325C - Amplified tree structure technology for fiber optic sensor arrays - Google Patents

Amplified tree structure technology for fiber optic sensor arrays Download PDF

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Publication number
CA2457325C
CA2457325C CA2457325A CA2457325A CA2457325C CA 2457325 C CA2457325 C CA 2457325C CA 2457325 A CA2457325 A CA 2457325A CA 2457325 A CA2457325 A CA 2457325A CA 2457325 C CA2457325 C CA 2457325C
Authority
CA
Canada
Prior art keywords
light
coupler
fiber
array
delay
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CA2457325A
Other languages
English (en)
French (fr)
Other versions
CA2457325A1 (en
Inventor
Benjamin J. Vakoc
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Leland Stanford Junior University
Original Assignee
Leland Stanford Junior University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Leland Stanford Junior University filed Critical Leland Stanford Junior University
Publication of CA2457325A1 publication Critical patent/CA2457325A1/en
Application granted granted Critical
Publication of CA2457325C publication Critical patent/CA2457325C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H9/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means
    • G01H9/004—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means using fibre optic sensors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
  • Instruments For Measurement Of Length By Optical Means (AREA)
  • Length Measuring Devices By Optical Means (AREA)
CA2457325A 2001-08-10 2002-08-07 Amplified tree structure technology for fiber optic sensor arrays Expired - Lifetime CA2457325C (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US31174901P 2001-08-10 2001-08-10
US60/311,749 2001-08-10
US31186701P 2001-08-13 2001-08-13
US60/311,867 2001-08-13
US35529702P 2002-02-07 2002-02-07
US60/355,297 2002-02-07
PCT/US2002/025228 WO2003014774A2 (en) 2001-08-10 2002-08-07 Amplified tree structure technology for fiber optic sensor arrays

Publications (2)

Publication Number Publication Date
CA2457325A1 CA2457325A1 (en) 2003-02-20
CA2457325C true CA2457325C (en) 2010-10-26

Family

ID=27405528

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2457325A Expired - Lifetime CA2457325C (en) 2001-08-10 2002-08-07 Amplified tree structure technology for fiber optic sensor arrays

Country Status (6)

Country Link
EP (1) EP1423987B1 (no)
JP (1) JP4184266B2 (no)
KR (1) KR100884674B1 (no)
CA (1) CA2457325C (no)
NO (1) NO333376B1 (no)
WO (1) WO2003014774A2 (no)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7622706B2 (en) * 2008-01-18 2009-11-24 Pgs Geophysical As Sensor cable and multiplexed telemetry system for seismic cables having redundant/reversible optical connections
GB0810977D0 (en) 2008-06-16 2008-07-23 Qinetiq Ltd Phase based sensing
KR101104125B1 (ko) * 2009-06-29 2012-01-13 국방과학연구소 광섬유 센서 배열 시스템
JP5398009B2 (ja) * 2010-03-17 2014-01-29 学校法人北里研究所 オプティカル・コヒーレンス・トモグラフィー装置及び断層像の撮影方法
CN103411660B (zh) * 2013-08-29 2014-12-03 山东省科学院激光研究所 光纤分布式声波监测系统
CN105096490B (zh) * 2015-09-02 2020-12-25 同方威视技术股份有限公司 分布式光纤周界安防系统、声音还原系统及方法
US10424895B2 (en) * 2017-12-13 2019-09-24 Industrial Technology Research Institute Mode-locked fiber laser device
CN111157102B (zh) * 2020-01-02 2022-03-08 河海大学常州校区 一种分布式光纤传感系统中消除频率干扰的定位方法
US11326936B2 (en) * 2020-03-02 2022-05-10 Halliburton Energy Services, Inc. Topside distributed acoustic sensing interrogation of subsea wells with a single optical waveguide

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6034924A (en) * 1998-04-03 2000-03-07 The Board Of Trustees Of The Leland Stanford Junior Univerisity Folded sagnac sensor array
US6278657B1 (en) 1998-04-03 2001-08-21 The Board Of Trustees Of The Leland Stanford Junior University Folded sagnac sensor array
US6282334B1 (en) * 1999-05-13 2001-08-28 Litton Systems, Inc. Large scale WDM/TDM sensor array employing erbium-doped fiber amplifiers

Also Published As

Publication number Publication date
KR20040043187A (ko) 2004-05-22
JP4184266B2 (ja) 2008-11-19
NO20040585L (no) 2004-05-10
WO2003014774A2 (en) 2003-02-20
EP1423987A4 (en) 2006-08-02
CA2457325A1 (en) 2003-02-20
NO333376B1 (no) 2013-05-13
WO2003014774A3 (en) 2003-11-20
EP1423987A2 (en) 2004-06-02
JP2004538469A (ja) 2004-12-24
EP1423987B1 (en) 2019-02-13
KR100884674B1 (ko) 2009-02-18

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Effective date: 20220808